Telephone-exchange system.



E. E. CLEMENT. TELEPHONE lEXGHANGE SYSTEM. APPLICATION FILED 1320.25, 1907.

Patented Aug. 11, 1914,

22 SHBETSSHBET l.

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E. E. CLEMENT. TELEPHONE EXCHANGE SYSTEM. APPLICATION FILED 1150.26. 1907,

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E. E. CLEMENT.

TELEPHONE EXCHANGE SYSTEM.

E. E. CLEMENT. TELEPHONE EXCHANGE SYSTEMr .APPLICATION FILED DBC. 26, 1907. f A 1,107,152. Patented Aug.'11|,1914.

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Patented Aug. 11, 1914.

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E. E. CLEMENT. TELEPHONE EXCHANGE SYSTEM. APPLICATION FILED 1120,.,26, 1907.

Patented Aug. 11, 1914.

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Patented Aug. 11, 1914.

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E. RCLEMENT. TELEPHONE EXCHANGE SYSTEM.

APPLICATION FILED DEO. 26. 1907. 1,107, 152. 4 Patented Aug.11,1914

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E. E. CLEMENT. TELEPHONE EXCHANGE SYSTEM.

APPLICATION FILED 111510.26, 1907.

Patented Aug. 11; 1914 22 SHEETS-HEET 13.

E. E, I01511113111. TELEPHONE EXCHANGE SYSTEM.

APPLICATION FILED 1150.26, 1907. 1,107, 152. Patented Aug. 11, 1914.

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Patented Aug. 11, 1914.

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` APPLIGATION FILED DEO. 26, 1907. 1,1 072152n Patented Aug. 11, 1914.

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E. E. CLEMENT. TELEPHONE EXCHANGE SYSTEM. 4AP]5'LI(L\.TI0N FILED DEO.26. 1907.

Patented Aug. 1l, 1914.

22 SHEETS-SHEET 20. 

